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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $68,280 | $64,933 | $126,280 | $2,819 | $20,589 | $91,926 | $2,762,786 |
| Carbon electrodes, other than of a kind used for furnaces | $51,377 | $64,529 | $111,033 | $163,808 | $72,198 | $28,168 | $141,607 |
| Carbon brushes | $474,560 | $547,702 | $635,578 | $831,497 | $335,154 | $617,586 | $707,580 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $20,871 | $52,867 | $28,648 | $29,467 | $33,696 | $35,395 | $53,543 |
| Total | $615,088 | $730,031 | $901,539 | $1,027,591 | $461,637 | $773,075 | $3,665,516 |
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